// Echo2 prints its command-line arguments.
package main

import (
    "fmt"
    "os"
)

func main() {
    s, sep := "", ""
    for i, arg := range os.Args[0:] {
        if i == 0 {
            fmt.Println(arg)
            continue
        }
        s += sep + arg
        sep = " "
    }
    fmt.Println(s)
}
